Radiant|Natural|GIA

2.51ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6501573436

Certificate GIA 6501573436

Diamond specifications and retailer prices

From €20,063 EUR
$22,415 USD
As of October 30, 2026
Save €3,639 EUR (15%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €23,702 EUR at Jared · As of October 30, 2026
View at Jared

About this 2.51ct natural radiant diamond

This 2.51ct natural radiant sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6501573436. Listed at 7 retailers as of October 30, 2026, with prices from €20,063 to €23,702, a €3,639 spread on the same certified stone. Jared lists it at €23,702. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6501573436
Dimensions8.50 × 6.75 × 4.64 mm
L/W Ratio1.26
Top View
8.50 mm6.75 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6501573436
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €23,523 EUR|Low: €19,005 EUR|High: €23,761 EUR|Avg: €22,031 EUR|+1.5%
Retailer 1
Retailer 2
October 30, 2026
Retailer 2€20,906 EUR
Retailer 1€23,523 EUR

34 data points across 2 retailers

7 retailers€20,063 EUR to €23,702 EUR

B+
Cheapest Retailer
-
€20,063 EUR
$22,415 USD
B+
Retailer 2
-
€20,360 EUR
A$34,994 AUD
View
B+
Retailer 3
-
€20,906 EUR
$23,356 USD
View
Final sale: no returns
B
Retailer 4
-
€22,932 EUR
$25,620 USD
View
B
Retailer 5
-
€22,932 EUR
$25,620 USD
View
B
Retailer 6
-
€23,523 EUR
£20,693 GBP
View
Most Expensive
B
Jared
152937144 · Oct 30
€23,702 EUR
$26,480 USD
View
6 more retailers have this diamond
Prices start from €20,063 EURSave up to €3,639 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.51ct Radiant
€20,063 EUR